Gigabyte GA-P67A-UD7 Manual - Page 19

Setup of ATI CrossFireX, NVIDIA SLI Configuration

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1-6 Setup of ATI CrossFireX™/NVIDIA SLI Configuration A. System Requirements - The 2-Way SLI and 2-Way CrossFireX technologies currently support Windows 7, Vista, XP operating systems - The 3-Way SLI and 3-Way CrossFireX technologies currently support Windows 7 and Vista operating systems - A CrossFireX/SLI-supported motherboard with two/three PCI Express x16 slots and correct driver - Two/three CrossFireX/SLI-ready graphics cards of identical brand and chip and correct driver ( Current ATI GPUs that support 3-Way CrossFireX technology include the Radeon HD 3800, 4800, and 5800 series. Current NVIDIA GPUs that support 3-Way SLI technology include the 8800 GTX, 8800 Ultra, 9800 GTX, GTX 260, GTX 280, GTX 470, and GTX 480.) - One/two CrossFire (Note)/SLI bridge connectors - A power supply with sufficient power is recommended (Refer to the manual of your graphics cards for the power requirement) B. Connecting the Graphics Cards Step 1: Observe the steps in "1-5 Installing an Expansion Card" and install two/three CrossFireX/SLI graphics cards on the PCI Express x16 slots. (To set up a 2-Way configuration, we recommend installing the graphics cards on the PCIEX16_1 and PCIEX16_2 slots. ) Step 2: Insert the CrossFire (Note )/SLI bridge connectors in the CrossFireX/SLI gold edge connectors on top of the two/three cards. Step 3: Plug the display cable into the graphics card on the PCIEX16_1 slot. C. Configuring the Graphics Card Driver C-1. To Enable CrossFireX Function For 2-Way CrossFireX: After installing the graphics card driver in the operating system, go to the Catalyst Control Center. Browse to the CrossFireX menu and ensure the Enable CrossFireX™ check box is selected. For 3-Way CrossFireX: After installing the graphics card driver in the operating system, go to the Catalyst Control Center. Browse to the CrossFireX menu, select the Enable CrossFireX™ check box, and select the 3 GPUs combination. Click OK to apply. C-2. To Enable SLI Function For 2-Way/3-Way SLI: After installing the graphics card driver in the operating system, go to the NVIDIA Control Panel. Browse to the Set SLI and Physx Configuration screen and ensure Maximize 3D performance is enabled. (Note) The bridge connectors may be needed or not depending on your graphics cards. Procedure and driver screen for enabling CrossFireX/SLI technology may differ by graphics cards. Refer to the manual that came with your graphics cards for more information about enabling CrossFireX/SLI technology. - 19 - Hardware Installation

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- 19 -
Hardware Installation
1-6
Setup of ATI CrossFireX
™
/NVIDIA SLI Configuration
A. System Requirements
- The 2-Way SLI and 2-Way CrossFireX technologies currently support Windows 7,
Vista, XP operating systems
-
The 3-Way SLI and 3-Way CrossFireX technologies currently support Windows 7 and Vista operating systems
- A CrossFireX/SLI-supported motherboard with two/three PCI Express x16 slots and correct driver
- Two/three CrossFireX/SLI-ready graphics cards of identical brand and chip and correct driver
( Current ATI GPUs that support 3-Way CrossFireX technology include the Radeon HD 3800, 4800, and 5800 series. Current
NVIDIA GPUs that support 3-Way SLI technology include the 8800 GTX, 8800 Ultra, 9800 GTX, GTX 260, GTX 280, GTX 470,
and GTX 480.)
- One/two CrossFire
(Note)
/SLI bridge connectors
- A power supply with sufficient power is recommended (Refer to the manual of your graphics cards for the power requirement)
B. Connecting the Graphics Cards
Step 1:
Observe the steps in "1-5 Installing an Expansion Card" and install two/three CrossFireX/SLI graphics cards on the PCI Ex-
press x16 slots. (To set up a 2-Way configuration, we recommend installing the graphics cards on the PCIEX16_1 and
PCIEX16_2 slots. )
Step 2:
Insert the CrossFire
(Note )
/SLI bridge connectors in the CrossFireX/SLI gold edge connectors on top of the two/three cards.
Step 3:
Plug the display cable into the graphics card on the PCIEX16_1 slot.
(Note)
The bridge connectors may be needed or not depending on your graphics cards.
C. Configuring the Graphics Card Driver
C-1. To Enable CrossFireX Function
For 2-Way CrossFireX:
After installing the
graphics card driver in
the operating system, go
to the
Catalyst Control
Center
. Browse to the
CrossFireX
menu and
ensure the
Enable
CrossFireX
™
check box
is selected.
For 3-Way CrossFireX:
After installing the graph-
ics card driver in the
operating system, go to
the
Catalyst Control
Center
. Browse to the
CrossFireX
menu, select
the
Enable CrossFireX
™
check box, and select the
3 GPUs
combination.
Click
OK
to apply.
For 2-Way/3-Way SLI:
After installing the graphics card driver in the operating system, go to the
NVIDIA Control
Panel
. Browse to the
Set SLI and Physx Configuration
screen and ensure
Maximize
3D performance
is enabled.
C-2. To Enable SLI Function
Procedure and driver screen for enabling CrossFireX/SLI technology may differ by graphics cards. Refer to the
manual that came with your graphics cards for more information about enabling CrossFireX/SLI technology.